Every URL visited minimum unless you are going to an encrypted VPN outside their network first, then they will still see the network traffic to that vpn . I Know someone that got caught redditing on work wifi. granted they also had their device name set to use their name in it… so some of that is on them
That’ll also depend on whether you’re on a personal device that’s using DoH (DNS over HTTPS). Which most phones do by default now. If you haven’t disabled that then they’ll only know IP addresses which are often not actually owned by or even unique to specific websites these days.
Every URL visited minimum unless you are going to an encrypted VPN outside their network first, then they will still see the network traffic to that vpn . I Know someone that got caught redditing on work wifi. granted they also had their device name set to use their name in it… so some of that is on them
Not every URL, just every domain.
That’ll also depend on whether you’re on a personal device that’s using DoH (DNS over HTTPS). Which most phones do by default now. If you haven’t disabled that then they’ll only know IP addresses which are often not actually owned by or even unique to specific websites these days.